<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>哈哈</title>
        <style type="text/css">
		p::first-letter{
			font-size:20px;
			color:hotpink;
		}
		p::first-line{
			color:red;
		}
		p::selection{
			font-size:50px;
			text-decoration: underline;
			color:blue;
		}

		p::before{
			content:"开始";

		}

		div::after{
			content:"结束";
		}
        </style>
    </head>
    <body>
    <p>
    	测试伪元素选择器，哒哒哒哒哒哒多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多
    </p>
    <p>啊大家肯定会分解到附近地块附近看到房价肯定放寒假</p>
    <div>

    	我是div

    </div>
    </body>
</html>